Examples with Listener com.cloud.agent.Listener used on opensource projects

Example 6 with Listener

use of com.cloud.agent.Listener in project cloudstack by apache.

the class AgentManagerImpl method notifyMonitorsOfConnection.

protected AgentAttache notifyMonitorsOfConnection(final AgentAttache attache, final StartupCommand[] cmd, final boolean forRebalance) throws ConnectionException {
    final long hostId = attache.getId();
    final HostVO host = _hostDao.findById(hostId);
    for (final Pair<Integer, Listener> monitor : _hostMonitors) {
        if (s_logger.isDebugEnabled()) {
            s_logger.debug("Sending Connect to listener: " + monitor.second().getClass().getSimpleName());
        }
        for (int i = 0; i < cmd.length; i++) {
            try {
                monitor.second().processConnect(host, cmd[i], forRebalance);
            } catch (final Exception e) {
                if (e instanceof ConnectionException) {
                    final ConnectionException ce = (ConnectionException) e;
                    if (ce.isSetupError()) {
                        s_logger.warn("Monitor " + monitor.second().getClass().getSimpleName() + " says there is an error in the connect process for " + hostId + " due to " + e.getMessage());
                        handleDisconnectWithoutInvestigation(attache, Event.AgentDisconnected, true, true);
                        throw ce;
                    } else {
                        s_logger.info("Monitor " + monitor.second().getClass().getSimpleName() + " says not to continue the connect process for " + hostId + " due to " + e.getMessage());
                        handleDisconnectWithoutInvestigation(attache, Event.ShutdownRequested, true, true);
                        return attache;
                    }
                } else if (e instanceof HypervisorVersionChangedException) {
                    handleDisconnectWithoutInvestigation(attache, Event.ShutdownRequested, true, true);
                    throw new CloudRuntimeException("Unable to connect " + attache.getId(), e);
                } else {
                    s_logger.error("Monitor " + monitor.second().getClass().getSimpleName() + " says there is an error in the connect process for " + hostId + " due to " + e.getMessage(), e);
                    handleDisconnectWithoutInvestigation(attache, Event.AgentDisconnected, true, true);
                    throw new CloudRuntimeException("Unable to connect " + attache.getId(), e);
                }
            }
        }
    }
    final Long dcId = host.getDataCenterId();
    final ReadyCommand ready = new ReadyCommand(dcId, host.getId());
    final Answer answer = easySend(hostId, ready);
    if (answer == null || !answer.getResult()) {
        // this is tricky part for secondary storage
        // make it as disconnected, wait for secondary storage VM to be up
        // return the attache instead of null, even it is disconnectede
        handleDisconnectWithoutInvestigation(attache, Event.AgentDisconnected, true, true);
    }
    agentStatusTransitTo(host, Event.Ready, _nodeId);
    attache.ready();
    return attache;
}

Example 7 with Listener

use of com.cloud.agent.Listener in project cloudstack by apache.

the class ClusteredAgentAttache method cancel.

@Override
public void cancel(final long seq) {
    if (forForward()) {
        Listener listener = getListener(seq);
        if (listener != null && listener instanceof SynchronousListener) {
            SynchronousListener synchronous = (SynchronousListener) listener;
            String peerName = synchronous.getPeer();
            if (peerName != null) {
                if (s_clusteredAgentMgr != null) {
                    s_logger.debug(log(seq, "Forwarding to peer to cancel due to timeout"));
                    s_clusteredAgentMgr.cancel(peerName, _id, seq, "Timed Out");
                } else {
                    s_logger.error("Unable to forward cancel, ClusteredAgentAttache is not properly initialized");
                }
            }
        }
    }
    super.cancel(seq);
}